At COP29 in Baku, a pivotal meeting on long-term transformations for extreme heat convened global leaders, scientists, and policymakers to address the escalating impacts of heatwaves driven by climate change. The discussions highlighted innovative strategies to build heat resilience, focusing on urban planning, cooling infrastructure, and equitable access to adaptation measures. Participants emphasized the integration of health, economic, and social policies to mitigate heat risks, protect vulnerable populations, and enhance global readiness for a warming future. This meeting underscored the urgent need for coordinated, sustainable actions to tackle the growing challenges posed by extreme heat events.